config {
  virtual_hosts {
    name: "regex"
    domains: "bat.com"
    domains: "*"
    domains: "w.lyft.com"
    routes {
      match {
        regex: "/"
      }
      route {
        cluster: "regex"
        prefix_rewrite: "ewrote"
      }
      request_headers_to_add {
        header {
          key: "\177\177\177\177\177\177\177\177"
        }
      }
    }
  }
  request_headers_to_add {
    header {
      key: ":path"
      value: "`"
    }
    append {
    }
  }
  request_headers_to_add {
    header {
      key: "`"
      value: "`"
    }
    append {
    }
  }
  validate_clusters {
  }
}
